A Small, Low-Caliber Bullet Has Entered Your Chest at an Angle

Multiple Choice

A small, low-caliber bullet has entered your chest at an angle, through the right lung and then the heart. It is now lodged in heart muscle. The surgeon will have to open some closed cavities of the body and enter those spaces to remove the bullet. What is the order of the cavities and the correct cavities that the surgeon will have to open (starting from the outside) ?

A) the pleural cavity, the thoracic cavity, the pericardial cavity
B) the thoracic cavity, the pleural cavity, the mediastinum, the pericardial cavity
C) the thoracic cavity, one pleural cavity, other pleural cavity, pericardial cavity
D) the abdominal cavity, the pleural cavity, the pericardial cavity
E) the thoracic cavity, the pleural cavity, the pericardial cavity, the mediastinum